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A. Find the real zeros of k(z) = z − z^3. z = ____ B.  Find the...

A. Find the real zeros of k(z) = z − z^3. z = ____

B.  Find the real zeros of f(x) = −2√x^2-25. (All under root). x = _____

C. Find the real zeros of w(x) = (5x^2 + 13x + 9) / (x + 2). x = _____

If there are multiple solutions, separate the answers with commas (,). If the answer is not an integer, enter it as a fraction in simplest form. If there is no real solution, enter “none”.

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